Agold colored ring has a mass of 18.9 grams and a volume of 1.12 ml. is the ring pure gold? (the density of gold is 19.3 g/ml.)

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will